咬合托一种可移动牙科器具，由金属丝和塑料制成，戴于腭上，作为牙齿矫正或修复的诊断或治疗辅助器。
A removable dental appliance fabricated of wire and plastic that is worn in the palate and used as a diagnostic or therapeutic aid in orthodontics or prosthodontics.
然而，如果发现离合器踏板振动或变速器换档有困难，并脱出咬合，那么就应该检查定位情况。 检查可用专用的定位心轴和千分表。
However if clutch-pedal pulsations are noticed or if gear shifting is hard and gears jump out of mesh then alignment should be checked. this requires a special alignment arbor and dial indicator .
舌侧矫治器的优点是美观、支抗强、易于打开咬合。
The advantages of lingual appliance are delight, maximum anchorage and easy to open bite.
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